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The H&R 60mm I.D. race spring, 85mm long with a 50 N/mm (286 lbs/in) rate, is made from lightweight (hf) 54SiCr6 spring steel and designed for adjustable tuning. H&R's material choice lets them produce lighter springs with roughly 10% more travel than many competitors. Each spring comes factory pre‑blocked to resist setting or sagging, and the extensive 60mm lineup supplies a wide selection of lengths and rates for motorsport and high‑performance street applications.
H&R 60mm ID Single Race Spring Length 85mm Spring Rate 50 N/mm or 286 lbs/inch
